{
  "generated": "2026-10-30T20:07:43.876Z",
  "source": "https://publicmosaic.com",
  "tlp": "CLEAR",
  "scope": "template 2166164053c1_2166164053c1_83900cc62ac7 — https://publicmosaic.com/ja4x/2166164053c1_2166164053c1_83900cc62ac7",
  "caveat": "Combine with network scope. A JA4X names a certificate template, which everyone using the same tooling shares; a template seen on several families is a library default. discriminating: false marks singletons and multi-family templates. JA4X+ entries (template, issuer CN and not-before day) are a finer key.",
  "templates": [
    {
      "ja4x": "2166164053c1_2166164053c1_83900cc62ac7",
      "url": "/ja4x/2166164053c1_2166164053c1_83900cc62ac7",
      "hosts": 1,
      "listed": 0,
      "families": [
        "mythic"
      ],
      "networks": [
        154177
      ],
      "first_seen": "2026-10-11T06:04:12.467Z",
      "last_seen": "2026-10-13T03:12:47.944Z",
      "discriminating": false,
      "plus": [
        {
          "issuer_cn": "www.microsoft.com",
          "not_before_day": "2026-10-09",
          "hosts": 1,
          "listed": 0
        }
      ]
    }
  ]
}